Trackball Board, Lighted Ball with Pushbutton
... four spindles on the trackball have a tiny circular magnet the end. Each of these is paired with ... the trackball along a single axis will result in about 9 high/low transitions.
Trackball Breakout Board Features
- Center select button
- ...

Trackball Board, Lighted Ball with Pushbutton
... four spindles on the trackball have a tiny circular magnet the end. Each of these is paired with ... the trackball along a single axis will result in about 9 high/low transitions.
Trackball Breakout Board Features
- Center select button
- ...

2xRS232/RS422/RS485 to PCI Bus Card, Full Profile
... 8 or 32 serial ports via a single PC PCI expansion slot and using only one single interrupt. Up to 4 PCI cards per ... the data signal's rise and fall times to reduce Electric-Magnetic-Interference (EMI), which is created by steep square wave rise and ...

4xRS232/RS422/RS485 to PCI Bus Card, Low Profile
... 8 or 32 serial ports via a single PC PCI expansion slot and using only one single interrupt. Up to 4 PCI cards per ... the data signal's rise and fall times to reduce Electric-Magnetic-Interference (EMI), which is created by steep square wave rise and ...

8xRS232/RS422/RS485 to PCI Bus Card, Low Profile
... 8 or 32 serial ports via a single PC PCI expansion slot and using only one single interrupt. Up to 4 PCI cards per ... the data signal's rise and fall times to reduce Electric-Magnetic-Interference (EMI), which is created by steep square wave rise and ...